title: [Influence of spheric and aspheric IOLs on visual acuity and contrast sensitivity].
abstract: OBJECTIVE
  To compare best corrected visual acuity and contrast sensitivity in patients with aspheric and spheric intraocular lens (IOL) after uncomplicated cataract surgery in photopic and mesopic conditions.
  
  
  METHODS
  38 eyes after uncomplicated cataract surgery were divided in two groups. A (18 eyes, average 69,5 +/- 6,89 years, spheric IOLs Softec 1, Lenstec, Inc. USA); B (20 eyes, average 69,47 +/- 9,44 years, aspheric IOLs Softec HD, Lenstec, Inc. USA). Follow up 3.-5. day and 4.-5. week postoperatively.
  
  
  RESULTS
  Best corrected visual acuity in group A was 20/23, in group B was 20/22. Contrast sensitivity in photopic conditions between group A and B were nonsignificant. Contrast sensitivity in scotopic conditions was in group B (aspheric IOLs) significant in comparison to group A (spheric IOLs).
  
  
  CONCLUSIONS
  Aspheric IOLs in scotopic light conditions provide patients with significant better contrast sensitivity than in patients with spheric IOLs.
authors.affiliation: Klinika oftalmológie LFUK a UNB, Nemocnica Ruzinov, Bratislava. marianhalas@gmail.com
authors.forename: M
authors.initials: M
authors.lastname: Halás
authors.forename: K
authors.initials: K
authors.lastname: Pesko
authors.forename: Z
authors.initials: Z
authors.lastname: Oláh
authors.forename: V
authors.initials: V
authors.lastname: Krásnik
authors.forename: P
authors.initials: P
authors.lastname: Strmen
mesh_terms: D000368:Aged; D015350:Contrast Sensitivity; D006801:Humans; D019654:Lens Implantation, Intraocular; D007910:Lenses, Intraocular; D019591:Pseudophakia / Q000503:physiopathology; D014792:Visual Acuity